1. While they ___were waiting_______ (wait) for the train, it ___started_______ (start) to rain.

2. I ____was reading______ (read) a book when my friend __called________ (call) me.

3. When I ___opened_______ (open) the door, the cat ___run_______ (run) outside.

4. He ____hurt______ (hurt) his leg while he ___was playing_______ (play) football.

5. We ____were eating______ (eat) dinner when the lights ____went______ (go) out.

6. While she _____was talking_____ (talk) on the phone, her baby ___cried_______ (cry).

7. They __________ (watch) TV when the power __________ (go) off.

8. When she __came________ (come) home, her husband __was cooking________ (cook) dinner.

9. I ____was cleaning______ (clean) the kitchen when the doorbell ___rang_______ (ring).

10. He ______fell____ (fall) off the bike while he ____was riding______ (ride) it.

a. Jennya's friends is.........Jami and Lily.....................................

b. Why Jennya is different her friends?

=> Because she has brown eyes, black hair and clever (while her friends have green eyes, brown hair and funny)

c. Her friends wants to...........play and study......................................together.

a) Jannya's friends are Jami and Lily

b) Because she has brown eyes, black hair and clever

c) Her friends want to play and study together

45 phút = 3/4 giờ = 0,75 giờ

Đáp số: 45 phút = 3/4 giờ = 0,75 giờ

45 phút = 3/4 giờ = 0,75 giờ.

K nhé bạn.

1 phút= 1/60 giờ

1 giây=1/60 phút=1/3600 giờ

Mọi người tk cho mình nha.Mình cảm ơn nhiều ^-^

1 phút bằng 1/60 giờ

1 giây bằng 1/60 phút , bằng 1/3600 giờ

tk hộ mình nha

15 phút = \(\frac{1}{4}\)giờ = \(0,25\)giờ 

Tham khảo nha !!! 

15 phút = 0,25 giờ

Bạn Nam mua bó hoa gồm 2 hoa hồng và 1 hoa ly hết:

   170 000 : 5 = 34 000 (đồng)

Đề bài không đủ dữ liệu để tính 10 hoa hồng và 4 hoa lý em nhé!

Đáp án D

            Giải 

Giá trị chữ số 7 ban đâu là: \(\dfrac{7}{100}\)

Giá tị của chữ số 7 lúc sau khi dời dấu phảy là: \(\dfrac{7}{1000}\)

Giá trị chữ số bảy lúc đầu gáp giá trị chữ số 7 lúc sau là:

                \(\dfrac{7}{100}\) : \(\dfrac{7}{1000}\) = 10 (lần)

Chọn D.10

1 We wear costumes on halloween

2 We put up a christmas tree to celebrate Christmas

3 We also make a cake and eat yummy food

4 We don't go to school for a week

5 Kids get their lucky money from their parents and grandparents

6 It is usually in January or February

7 They wear costumes to celebrate halloween

8 I always wrap presents with beautiful paper

9 Christmas is on December twenty fifth 

10 Children often watch lion dance on children's day